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M5 Stuart - Cool Video


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FPS Russia did a video on the M5 Stuart.

Pretty clean tank! ... He plays around with the 37mm (HE and Canister rounds) and also unloads some rounds with the .30cal.

Although I think he's packed some extra explosives when firing the 37mm HE rounds!! (no way it could do that to a car ... right??)

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The orange mushroom cloud when the bonnet (hood to you leftpondians :) came off seemed to suggest that maybe there was some supplementary charge, but the damage shape certainly looked like it was all from the left side of the car. Maybe the coolants and lubricants in the block changed the smoke colour, and the engine compartment contained and released it the right way to make a mushroom.

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The orange mushroom cloud when the bonnet (hood to you leftpondians :) came off seemed to suggest that maybe there was some supplementary charge, but the damage shape certainly looked like it was all from the left side of the car. Maybe the coolants and lubricants in the block changed the smoke colour, and the engine compartment contained and released it the right way to make a mushroom.

Yeah .. but the mushroom cloud looks too "low velocity" ... like it comes from a lower pressure explosion. ... I think they rigged it ... which is too bad. I would have liked to see what the 37mm round did on its own, even if it would not have looked as camera friendly.

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The orange cloud is definitely a rigged charge.

Yep. Orange cloud usually means propane or some other hydrocarbon. Speed of propagation is another giveaway. From Wiki:

High explosives are explosive materials that detonate, meaning that the explosive shock front passes through the material at a supersonic speed. High explosives detonate with explosive velocity rates ranging from 3 to 9 km/s.

By contrast:

Low explosives are compounds where the rate of decomposition proceeds through the material at less than the speed of sound. The decomposition is propagated by a flame front (deflagration) which travels much more slowly through the explosive material than a shock wave of a high explosive. Under normal conditions, low explosives undergo deflagration at rates that vary from a few centimeters per second to approximately 400 metres per second.

Michael

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